The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 08, 2018
Filed:
Apr. 25, 2016
Nova Chemicals (International) S.a., Fribourg, CH;
Qinyan Wang, Calgary, CA;
Savini Udara Suduweli Kondage, Endeavour Hills, AU;
Mark Kelly, Airdrie, CA;
Amy Marie Baltimore, Calgary, CA;
Jessamyn Ross Logan, Calgary, CA;
Tyler Craig, Vancouver, CA;
NOVA Chemicals (International) S.A., Fribourg, CH;
Abstract
Some embodiments herein disclose a process for producing an ethylene polymer or copolymer which contains less than 5 ppm titanium and has a bulk density, in granular form, of at least 22.5 lbs/ft, using a spheroidal Ziegler-Natta type olefin polymerization catalyst having a particle size distribution characterized by a Dm*/Dn of less than 3.0 and comprising a titanium compound, an aluminum compound, and a spheroidal magnesium chloride support.